overdrawn
adjective
BANKING uk/ˌəʊvəˈdrɔːn/ ushaving taken more money out of your bank account than the account contained:
overdrawn by $5/$50 etc. They were overdrawn by €150.
an overdrawn account has had more money taken from it than it contained:
Banking is free as long as the account is no more than £100 overdrawn.